How do i change the timestamp of a file?



  • Man page for touch.

    When you touch a file in linux it creates an empty file, with the current time and date.

    $ touch afile
    $ ls -l afile
    -rw-r--r-- 1 training training 0 Jun  7 11:21 afile
    

    You can change the time and date of a file after it is created by using various options to the touch command.

    Change the time and date using date string. Use -d for short.

    $ touch --date="2018-03-04 18:21:00" afile
    $ ls -l afile 
    -rw-r--r-- 1 training training 0 Mar  4  2018 afile
    

    Use more plain language time specification.

    $ touch -d "next Wed" afile      
    $ ls -l afile
    -rw-r--r-- 1 training training 0 Jun 12  2019 afile
    
    $ ls -l afile
    -rw-r--r-- 1 parallels parallels 0 Jun 12  2019 afile
    
    $  touch -d "5 days ago" afile
    $  ls -l afile                
    -rw-r--r-- 1 parallels parallels 0 Jun  3 06:13 afile
    

    Instead of using the current time when creating a file, use the -t option to specify a timestamp.

    $ touch -t 201905241355 afile
    $ ls -l afile 
    -rw-r--r-- 1 training training 0 May 24 13:55 afile
    

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